//
//  VisitorLoginView.swift
//  TYHWeibo
//
//  Created by IOS on 15/7/29.
//  Copyright © 2015年 IOS. All rights reserved.
//

import UIKit

///访客视图协议
protocol VisitorLoginViewDelegate: NSObjectProtocol {
    ///将要登陆
    func visitorLoginViewWillLogin()
    ///将要注册
    func visitorLoginViewWillRegister()

}

class VisitorLoginView: UIView {

    ///定义代理 - 一定要用weak
    weak var delegate:VisitorLoginViewDelegate?
    
    /// MARK:按钮监听方法
    func clickRegister() {
        delegate?.visitorLoginViewWillRegister()
    }
    
    func clickLogin() {
        delegate?.visitorLoginViewWillLogin()
    
    }
    
    //设置视图信息
    func setupViewInfo (isHome: Bool, imageName: String, message:String){
        messageLabel.text = message
        iconView.image = UIImage(named: imageName )
        
        homeIconView.hidden = !isHome
        
        isHome ? startAnimation() : sendSubviewToBack(maskIconView)
        
    
    }
    
    private func startAnimation() {
        let anim = CABasicAnimation(keyPath: "transform.rotation")
        anim.toValue = 2 * M_PI
        anim.repeatCount = MAXFLOAT
        anim.duration = 20.0
        //提示: 如果界面上有动画,一定要检查退出到桌面重新进入动画是否还在
        anim.removedOnCompletion = false
        iconView.layer.addAnimation(anim, forKey: nil)
    
    }
    
    // MARK: - 界面初始化
    override init(frame: CGRect) {
        super.init(frame: frame)
    setupUI()
        
    }

    required init?(coder aDecoder: NSCoder) {
//        fatalError("init(coder:) has not been implemented")
       //禁止用 sb / xib 加载本类
        super.init(coder: aDecoder)
        setupUI()
    }
    
    ///设置界面
    private func setupUI (){
        // 1. 添加控件
        addSubview(iconView)
        addSubview(maskIconView)
        addSubview(homeIconView)
        addSubview(messageLabel)
        addSubview(registerButton)
        addSubview(loginButton)
        
        // 2. 自动布局
        // 如果需要自动布局,需要设置一个属性
        // 1. 图标 
        iconView.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterY, multiplier: 1, constant: -40))
        
        //房子
        homeIconView.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: homeIconView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: homeIconView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterY, multiplier: 1, constant: 0))
        
        //消息文字
        messageLabel.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 20))
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 224))
        
        // 4> 注册按钮
        registerButton.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Left, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Left, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1.0, constant: 16))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1.0, constant: 100))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1.0, constant: 35))
        
        // 5> 登录按钮
        loginButton.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Right, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Right, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1.0, constant: 16))
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1.0, constant: 100))
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1.0, constant: 35))
        
        //遮罩视图 VFL 可视化格式语言
        maskIconView.translatesAutoresizingMaskIntoConstraints = false
        addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:|-0-[subview]-0-|", options: NSLayoutFormatOptions(rawValue: 0), metrics: nil, views: ["subview" : maskIconView]))
        addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:|-0-[subview]-(-35)-[registerButton]", options: NSLayoutFormatOptions(rawValue: 0), metrics: nil, views: ["subview": maskIconView, "registerButton": registerButton]))
        
        //设置背景颜色
        backgroundColor = UIColor(white: 237.0/255.0, alpha: 1.0)
        
        
    
    }
    
    // MARK: 懒加载控件
    //图标
    private lazy var iconView: UIImageView = {
        let iv = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
        return iv
    }()
    
    //遮罩视图
    private lazy var maskIconView :UIImageView = {
        let iv = UIImageView(image: UIImage(named:"visitordiscover_feed_mask_smallicon"))
        return iv
    }()
    
    //小房子
    private lazy var homeIconView: UIImageView = {
        let iv = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
        return iv
    }()
    
    //消息文字
    private lazy var messageLabel: UILabel = {
        let label = UILabel()
        label.text = "关注一些人，回这里看看有什么惊喜关注一些人，回这里看看有什么惊喜"
        label.font = UIFont.systemFontOfSize(14)
        label.numberOfLines = 0
        label.textColor = UIColor.darkGrayColor()
        label.sizeToFit()
        
        return label
    }()
    
    //注册按钮
    private lazy var registerButton: UIButton = {
        let btn = UIButton()
        btn.setTitle("注册", forState: UIControlState.Normal)
        btn.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        btn.setTitleColor(UIColor.orangeColor(), forState: UIControlState.Normal)
        
        btn.addTarget(self, action: "clickRegister", forControlEvents: UIControlEvents.TouchUpInside)
        return btn
    }()
    
    //登陆按钮
    private lazy var loginButton: UIButton = {
        let btn = UIButton()
        btn.setTitle("登陆", forState: UIControlState.Normal)
        btn.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        btn.setTitleColor(UIColor.darkGrayColor(), forState: UIControlState.Normal)
        btn.addTarget(self, action: "clickLogin", forControlEvents: UIControlEvents.TouchUpInside)
        return btn
        }()
    
    
    
    
    
    
    

}
